04/18/20

A quiz has 12 questions. What is the probability, as a percentage, that the student will answer at least 7 correctly?
How to find the answer by using the sum of entries in the nth row of pascal triangle
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04/16/20

Find the constant term in the expansion of (2𝑥^6+−4/𝑥)^21. The constant term is ______
More details. I have worked on this for over 1 hour I just can't get it plz helpfile:///Users/AR/Desktop/Untitled%205545.png
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03/29/20

What is the full equation including P(x)=?
Given P(x)=3x5−x4+56x3−40x2−475x−375, and that 5i is a zero, write P in factored form (as a product of linear factors). Be sure to write the full equation, including P(x)=.
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03/24/20

Write the equation in exponential form, solve for x
log7(2x + 17) = 2
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03/24/20

Maria need to cut 3 1/3 feet of rope in 8 equal lengths. What is the length of each piece of rope
Maria need to cut 3 1/3 feet of rope in 8 equal lengths. What is the length of each piece of rope
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03/18/20

I’m really stuck :(
A pebble drops from a balcony that is 160 feet above the ground. The pebble lands on the top of a sign that is 16 feet high. The function y=160-16t^2 represents the height y (in feet) of the pebble... more
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03/09/20

Describe the end behavior of each polynomial.
(a)    y = x3 − 8x2 + 9x − 15End behavior: y---> ______ as x → ∞ y---> ______ as x → -∞(b)    y = −9x4 + 14x + 400End behavior:y---> ______ as x → ∞y---> ______ as x → -∞
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03/09/20

Algebra Problem:
Simplify: (4-√20)/(2-2√5)(A) (3-√5)/(4) (B) 2(C) (3+2√5)/(4)(D) 1(E) None of these For this I got; (A) (3-√5)/(4). Is this the correct answer?
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03/09/20

Factor the polynomial and use the factored form to find the real zeros. (Enter your answers as a comma-separated list. Enter all answers including repetitions.)
P(x) = x3 + x2 − x − 1*My answer was: -1,1. That was incorrect
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03/06/20

A training field is formed by joining a rectangle and two semicircles. The rectangle is 81 meters long and 50 meters wide. Find the area of the training field and use the value of 3.14 for pi.
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03/06/20

Rewrite without absolute value for the given conditions: y=|x−5|+|x+5|, if −5<x<5
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03/02/20

differential equation
Find the value of a for which the polynomial x^5-ax²-ax+1has −1 as a root with multiplicity at least 2.
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02/28/20

How do you find the y-intercept, the axis of symmetry and the vertex of f(x)=-x^2-2x-5
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02/28/20

Real Roots and Distinct Roots
Show that the roots of the equation kx^2 + 5x - 2k = 0 are real and distinct for all the real values of k. How do I solve this? Because if I use the Quadratic formula then at one point there is... more
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02/28/20

What is the polynomial function of degree 4 with zeros of 3, -1, and 2-i where f(0)=30?
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02/19/20

If tan x= 3/4, and 0<x<π/2, what is cos(x−3π/2)?
If tan x= 3/4, and 0<x<π/2, what is cos(x−3π/2)?
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02/12/20

write a recursive formula for the sequence 6,9,13.5,20.25
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02/02/20

If tanx=−1, and 90°<x<180°, find cos(x+30°).
Help pleasexxxxxxxxx,
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02/02/20

y-intercept of odd function

f(x) is an odd function and f(4)= -11If g(x)=3f(x-4)+5 ,then what is the y-intercept of g(x)
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01/28/20

P is inversely proportional to the square root of 7 + r.
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01/28/20

Constant velocity/acceleration

A car accelerates from the rest until it is traveling at 88km/hr for 6.2seconds. The time to keep up to speed is 6.2 seconds. What is the acceleration of the car in m/s2? How far did the car travel... more
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01/26/20

Solve explicitly for x: 3𝑥 + 2𝑦 − 5 = 𝑎𝑥 + 𝑏y
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01/24/20

Factor and cubes
find a so that x + 1 is a factor4x^5 + 3x^2 + 2x + a
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01/24/20

Solving a word problem using linear equations

A fruit company delivers its fruit in two types of boxes: large and small. A delivery of 2 large boxes and 12 small boxes has a total weight of 199 kilograms. A delivery of 5 large boxes and 3... more
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01/23/20

Unable to access zip file

Hi, I am unable to access a zip file that i have downloaded onto my computer to look at the board i have done with my tutor for homework purposes. When I try to open this file onto my computer it... more
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